args = parser.parse_args()
slave_location = args.slave
monitor_endpoint = 'http://%s/%s' % (slave_location, args.slave_monitor)
metrics_endpoint = 'http://%s/%s' % (slave_location, args.slave_metrics)
slave_endpoint = 'http://%s/%s' % (slave_location, args.slave_state)
influx_endpoint = 'http://%s/db/%s/series?u=%s&p=%s' % (
args.influxdb_host, args.influxdb_name, args.influxdb_user, args.influxdb_password)
# One second sample rate.
sample_rate = 1
# Get slave state object once to tag samples.
slave_state = nibbler.json_from_url(slave_endpoint)
slave_id = slave_state['id']
samples = {}
sample_count = 0
# Sample loop.
while True:
# If InfluxDB failed over, make sure database is available.
if sample_count % 10 == 0:
create_json = '{"name": "%s"}' % args.influxdb_name
create_url = 'http://%s/db?u=%s&p=%s' % (args.influxdb_host, args.influxdb_user, args.influxdb_password)
nibbler.post_json(create_url, create_json)
# Poor mans GC: We loose one sample per framework every 10.000 iterations.
sample_count += 1
master_endpoint = 'http://%s/%s' % (master_location, args.master_state)
influx_endpoint = 'http://%s/db/%s/series?u=%s&p=%s' % (
args.influxdb_host, args.influxdb_name, args.influxdb_user, args.influxdb_password)
create_json = '{"name": "%s"}' % args.influxdb_name
create_url = 'http://%s/db?u=%s&p=%s' % (args.influxdb_host, args.influxdb_user, args.influxdb_password)
nibbler.post_json(create_url, create_json)
# One second sample rate.
sample_rate = 1
# Sample loop.
while True:
# TODO(nnielsen): Don't fetch state json every iteration.
# Get slave state object once to tag samples and determine leader.
master_state = nibbler.json_from_url(master_endpoint)
if "leader" in master_state and "pid" in master_state:
if master_state["leader"] != master_state["pid"]:
print "Master is not the current leader - waiting 5 seconds"
time.sleep(5)
continue
master_id = master_state["id"]
influx_samples = []
# Collect the latest metrics (gauges and counters).
metrics = nibbler.json_from_url(metrics_endpoint)
for metric in metrics:
influx_samples.append({
